8222578274 has 8 divisors (see below), whose sum is σ = 12336942288. Its totient is φ = 4110264180.

The previous prime is 8222578267. The next prime is 8222578279. The reversal of 8222578274 is 4728752228.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×8222578274² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8222578279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502412 + ... + 518519.

It is an arithmetic number, because the mean of its divisors is an integer number (1542117786).

Almost surely, 2^8222578274 is an apocalyptic number.

8222578274 is a deficient number, since it is larger than the sum of its proper divisors (4114364014).

8222578274 is a wasteful number, since it uses less digits than its factorization.

8222578274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024960.

The product of its digits is 1003520, while the sum is 47.

The square root of 8222578274 is about 90678.4333455315. The cubic root of 8222578274 is about 2018.3787823482.

The spelling of 8222578274 in words is "eight billion, two hundred twenty-two million, five hundred seventy-eight thousand, two hundred seventy-four".